gemstone- a hard, colorful mineral that has a brilliant or glassy luster ore- a rock that contains a metal or economically useful mineral strip mines- earthmoving equipment that scrapes away soil to expose ore open pit mines- using earthmoving equipment to dig a tremendous pit shaft mines- have network of tunnels that extend deep into the ground, following the veins of ore smelting- the process where an ore is melted to separate the useful metal from other elements the ore contains alloy- a solid mixture of two or more metals
Table of Contents
Mineral Resources 4.3
Vocab
gemstone- a hard, colorful mineral that has a brilliant or glassy luster
ore- a rock that contains a metal or economically useful mineral
strip mines- earthmoving equipment that scrapes away soil to expose ore
open pit mines- using earthmoving equipment to dig a tremendous pit
shaft mines- have network of tunnels that extend deep into the ground, following the veins of ore
smelting- the process where an ore is melted to separate the useful metal from other elements the ore contains
alloy- a solid mixture of two or more metals
Outline
The uses of Minerals
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